<!--

    Copyright © 2016-2023 The Thingsboard Authors

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.

-->
<div>
  <mat-card class="settings-card">
    <mat-card-title>
      <div fxLayout="row">
        <span class="mat-headline" translate>admin.outgoing-mail-settings</span>
        <span fxFlex></span>
        <div tb-help="outgoingMailSettings"></div>
      </div>
    </mat-card-title>
    <mat-progress-bar color="warn" mode="indeterminate" *ngIf="isLoading$ | async">
    </mat-progress-bar>
    <div style="height: 4px;" *ngIf="!(isLoading$ | async)"></div>
    <mat-card-content style="padding-top: 16px;">
      <form [formGroup]="mailSettings" (ngSubmit)="save()">
        <fieldset [disabled]="isLoading$ | async">
          <mat-form-field class="mat-block">
            <mat-label translate>admin.mail-from</mat-label>
            <input matInput formControlName="mailFrom" required/>
            <mat-error *ngIf="mailSettings.get('mailFrom').hasError('required')">
              {{ 'admin.mail-from-required' | translate }}
            </mat-error>
          </mat-form-field>
          <mat-form-field class="mat-block">
            <mat-label translate>admin.smtp-protocol</mat-label>
            <mat-select formControlName="smtpProtocol">
              <mat-option *ngFor="let protocol of smtpProtocols" [value]="protocol">
                {{protocol.toUpperCase()}}
              </mat-option>
            </mat-select>
          </mat-form-field>
          <div fxLayout.gt-sm="row" fxLayoutGap.gt-sm="10px">
            <mat-form-field class="mat-block" fxFlex="100" fxFlex.gt-sm="60">
              <mat-label translate>admin.smtp-host</mat-label>
              <input matInput formControlName="smtpHost" placeholder="localhost" required/>
              <mat-error *ngIf="mailSettings.get('smtpHost').hasError('required')">
                {{ 'admin.smtp-host-required' | translate }}
              </mat-error>
            </mat-form-field>
            <mat-form-field class="mat-block" fxFlex="100" fxFlex.gt-sm="40">
              <mat-label translate>admin.smtp-port</mat-label>
              <input matInput #smtpPortInput formControlName="smtpPort" placeholder="25" maxlength="5" required/>
              <mat-hint align="end">{{smtpPortInput.value?.length || 0}}/5</mat-hint>
              <mat-error *ngIf="mailSettings.get('smtpPort').hasError('required')">
                {{ 'admin.smtp-port-required' | translate }}
              </mat-error>
              <mat-error
                *ngIf="mailSettings.get('smtpPort').hasError('pattern') || mailSettings.get('smtpPort').hasError('maxlength')">
                {{ 'admin.smtp-port-invalid' | translate }}
              </mat-error>
            </mat-form-field>
          </div>
          <mat-form-field class="mat-block">
            <mat-label translate>admin.timeout-msec</mat-label>
            <input matInput #timeoutInput formControlName="timeout" placeholder="10000" maxlength="6" required/>
            <mat-hint align="end">{{timeoutInput.value?.length || 0}}/6</mat-hint>
            <mat-error *ngIf="mailSettings.get('timeout').hasError('required')">
              {{ 'admin.timeout-required' | translate }}
            </mat-error>
            <mat-error
              *ngIf="mailSettings.get('timeout').hasError('pattern') || mailSettings.get('timeout').hasError('maxlength')">
              {{ 'admin.timeout-invalid' | translate }}
            </mat-error>
          </mat-form-field>
          <tb-checkbox formControlName="enableTls" style="display: block; padding-bottom: 16px;">
            {{ 'admin.enable-tls' | translate }}
          </tb-checkbox>
          <mat-form-field class="mat-block" *ngIf="mailSettings.get('enableTls').value">
            <mat-label translate>admin.tls-version</mat-label>
            <mat-select formControlName="tlsVersion">
              <mat-option *ngFor="let tlsVersion of tlsVersions" [value]="tlsVersion">
                {{ tlsVersion }}
              </mat-option>
            </mat-select>
          </mat-form-field>
          <tb-checkbox formControlName="enableProxy" style="display: block; padding-bottom: 16px;">
            {{ 'admin.enable-proxy' | translate }}
          </tb-checkbox>
          <div *ngIf="mailSettings.get('enableProxy').value">
            <div fxLayout.gt-sm="row" fxLayoutGap.gt-sm="8px">
              <mat-form-field class="mat-block" fxFlex="100" fxFlex.gt-sm="60">
                <mat-label translate>admin.proxy-host</mat-label>
                <input matInput required formControlName="proxyHost">
                <mat-error *ngIf="mailSettings.get('proxyHost').hasError('required')">
                  {{ 'admin.proxy-host-required' | translate }}
                </mat-error>
              </mat-form-field>
              <mat-form-field class="mat-block" fxFlex="100" fxFlex.gt-sm="40">
                <mat-label translate>admin.proxy-port</mat-label>
                <input matInput required formControlName="proxyPort" type="number" step="1" min="1" max="65535">
                <mat-error *ngIf="mailSettings.get('proxyPort').hasError('required')">
                  {{ 'admin.proxy-port-required' | translate }}
                </mat-error>
                <mat-error *ngIf="mailSettings.get('proxyPort').hasError('pattern')
              || mailSettings.get('proxyPort').hasError('min')
              || mailSettings.get('proxyPort').hasError('max')">
                  {{ 'admin.proxy-port-range' | translate }}
                </mat-error>
              </mat-form-field>
            </div>
            <mat-form-field class="mat-block">
              <mat-label translate>admin.proxy-user</mat-label>
              <input matInput formControlName="proxyUser">
            </mat-form-field>
            <mat-form-field class="mat-block">
              <mat-label translate>admin.proxy-password</mat-label>
              <input matInput type="password" formControlName="proxyPassword" autocomplete="new-proxy-password">
              <tb-toggle-password matSuffix></tb-toggle-password>
            </mat-form-field>
          </div>
          <mat-form-field class="mat-block">
            <mat-label translate>common.username</mat-label>
            <input matInput formControlName="username" placeholder="{{ 'common.enter-username' | translate }}"
                   autocomplete="new-username"/>
          </mat-form-field>
          <mat-checkbox *ngIf="showChangePassword" formControlName="changePassword" style="padding-bottom: 16px;">
            {{ 'admin.change-password' | translate }}
          </mat-checkbox>
          <mat-form-field class="mat-block" *ngIf="mailSettings.get('changePassword').value || !showChangePassword">
            <mat-label translate>common.password</mat-label>
            <input matInput formControlName="password" type="password"
                   placeholder="{{ 'common.enter-password' | translate }}" autocomplete="new-password"/>
            <tb-toggle-password matSuffix></tb-toggle-password>
          </mat-form-field>
          <div fxLayout="row" fxLayoutAlign="end center" fxLayout.xs="column" fxLayoutAlign.xs="end" fxLayoutGap="16px">
            <button mat-raised-button type="button"
                    [disabled]="(isLoading$ | async) || mailSettings.invalid" (click)="sendTestMail()">
              {{'admin.send-test-mail' | translate}}
            </button>
            <button mat-raised-button color="primary"
                    [disabled]="(isLoading$ | async) || mailSettings.invalid || !mailSettings.dirty"
                    type="submit">{{'action.save' | translate}}
            </button>
          </div>
        </fieldset>
      </form>
    </mat-card-content>
  </mat-card>
</div>
